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Processing Methods! Understanding Steel Materials for Screws: 'Basic Knowledge of Steel Materials for Screws'

Processing Methods! Understanding Steel Materials for Screws: 'Basic Knowledge of Steel Materials for Screws'

The basics of materials for screws, steel materials. I will teach you tips for selecting materials according to processing methods and applications. Includes a material table by strength classification.

Steel is widely used as a material for screws because it is inexpensive, readily available, and strong. The main types of steel used for screws include carbon steel, which is primarily composed of iron and carbon, and alloy steel, which has elements such as chromium and molybdenum added. When strength and corrosion resistance are required for screws, the chemical composition of the steel can be altered, processing methods can be changed, or heat treatment can be applied to modify the material's mechanical properties. By utilizing the characteristics of the materials, various steel screws are produced to suit different applications and purposes. This document provides a clear explanation of the types and characteristics of steel materials suitable for screw processing methods and applications, as well as the strength classifications of steel screws, offering fundamental knowledge about steel materials for screws. *If you would like to learn more about steel materials for screws, please feel free to check the PDF document. Do not hesitate to contact us with any inquiries.*

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Special for resin! Torque of 31.0Nm, nut with a knurling ratio of 1.8 times.

Special for resin! Torque of 31.0Nm, nut with a knurling ratio of 1.8 times.

[Free Technical Materials Available] Are you having trouble with fastening resin? There are screws for resin that can be tightened with high torque.

Are you having trouble with fastening resin? When tightened with high torque, the resin can crack. It can spin, making it impossible to apply high torque, and the screw may come loose. We have a series of screws for resin that can solve these issues. Thanks to the special octagonal shape, the spinning torque is 1.8 times that of knurled products (31.0 Nm). The pull-out strength is 1.2 times greater (2713 N) (resin material: PP). This series of screws for resin allows for high torque tightening without damaging the resin. We offer both simultaneous molding and post-filling types, as well as nuts and bolts. Being made of steel, they are more cost-effective compared to brass materials. Not only is the material price itself low, but the ease of obtaining the material and compliance with RoHS directives are also not an issue. We have received numerous inquiries from customers facing difficulties with the availability and rising prices of brass materials. We also have technical documentation summarizing the results of verification tests on spinning torque and pull-out load. You can also download helpful technical materials that explain the basics of insert nuts.

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Basics of Screw Manufacturing Technology [Forging Edition] First Industrial's Screw Manufacturing Technology (Complete Edition)

Basics of Screw Manufacturing Technology [Forging Edition] First Industrial's Screw Manufacturing Technology (Complete Edition)

This document clearly explains the forging process of bolts, nuts, and collars. It provides information on the basics of screw manufacturing technology, specifically "forging."

"Forging processing" refers to a type of plastic processing that shapes metal materials using molds. Unlike cutting processes, it minimizes material waste and is suitable for mass production. At Daiichi Industry, we manufacture both "bolts" and "nuts" through "cold forging processing." This document includes the advantages and disadvantages of forging processing, as well as examples of the forming processes for bolts and nuts/colors. It also illustrates the differences in manufacturing methods for bolts and nuts with accompanying photos. Additionally, we present examples of improvements in mold design using FEM analysis. <Note> We have added "Types of Cold Forging Processing" to the document. It explains how screws are formed using dies and punches, accompanied by illustrations. For more details, please refer to the download. Feel free to contact us with any inquiries.

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You can compare different types: "Surface treatment of resin fastening screws."

You can compare different types: "Surface treatment of resin fastening screws."

You will understand the basics of "surface treatment" that improves the corrosion resistance and appearance of screws. This will explain the characteristics of representative surface treatments.

Metal screws, such as those made of iron, will corrode and rust due to electrochemical reactions after being molded for a while. Corrosion and rust can lead to poor appearance and reduced strength of the screws. To prevent such issues, surface treatment is applied to improve the rust and corrosion resistance of the screws. There are many types of surface treatment methods, each differing in functions such as corrosion resistance and appearance (color). It is necessary to choose the optimal surface treatment according to the purpose and usage environment. This document clearly explains the characteristics of commonly used surface treatments for screws: "Electrogalvanizing," "High Nickel Type - Zinc-Nickel Alloy Plating," and "GeometⓇ Treatment." It is a compact version that can be easily viewed. [Contents] ● Main types and overviews of surface treatments ● Surface treatments commonly used for screws For those who want to know more about surface treatments for resin fastening components, you can view more details here. [Technical Document] Understanding the Differences in Treatment Methods: 'Surface Treatment of Resin Fastening Screws' https://screw.daiichikogyo.co.jp/product/surface_treatment Please take a look.

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[Technical Information] Basics of Screw Manufacturing Technology [Cutting and Welding] Will Be Taught

[Technical Information] Basics of Screw Manufacturing Technology [Cutting and Welding] Will Be Taught

[Attention Engineers] Screw manufacturing is not just about forging. There is also cutting and welding. We offer a free [technical document] that provides fundamental knowledge of each technique!

Daiichi Kogyo is a specialized group that develops and manufactures fastening components, including bolts and nuts. 【What a specialized group can do】 While "forging" is the common method for screw manufacturing, "cutting" is also an important processing technique for screw production when complex shapes or additional processes like drilling are required. Daiichi Kogyo possesses the manufacturing know-how necessary for "forging," "cutting," and "welding" in screw production. We can perform "composite processing" that combines these techniques. Forging + Cutting + Welding ⇒ Composite products With the accumulation of each processing technique, we can set up processes that leverage the characteristics of each method. 【Manufacturing Example】Production of parts with strict precision requirements. ● When manufactured using only "forging," the load on the mold increases, raising concerns about mold lifespan and quality deterioration. ↓ ● By switching from "forging" to "cutting" for manufacturing, we can reduce the load on the mold and lower forging costs, achieving quality improvement as well. For more details, please visit the following 【Daiichi Kogyo Co., Ltd. Fastener Division Fastening Components Site】. We are currently offering free technical materials that provide basic knowledge of screw manufacturing techniques, including "cutting and welding." Please download and take a look.

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[Technical Information] Understand the Basics of Screw Manufacturing Technology [Forging Process]

[Technical Information] Understand the Basics of Screw Manufacturing Technology [Forging Process]

[Attention Engineers] The Basics of Screw Manufacturing Technology: "Forging Process." We are currently offering free technical materials on "Basic Knowledge of Forging Process," which explains the differences in the manufacturing of bolts and nuts.

Many "screw products" such as bolts and nuts are manufactured using "forging." "Forging" is a processing method that uses molds to shape metal materials by compressing them. It has many advantages, such as good yield, suitability for mass production, and increased strength due to work hardening. Although both are "screw products," bolts and nuts differ in materials, manufacturing processes, and manufacturing equipment. At Daiichi Kogyo, as a specialized group that manufactures both bolts and nuts, we have accumulated production and manufacturing technologies that correspond to each of these differences. We also utilize FEM analysis to conduct forging simulations, which are applied in process design and mold design. The reason we can manufacture both bolts and nuts can be found in the link below: "Production and Manufacturing Technology of the Specialized Group." A specialized group that manufactures both bolts and nuts has compiled "Basic Knowledge of Forging." We provide a clear explanation of the actual processing steps with accompanying photographs. Improvement examples utilizing FEM analysis are also included. Please download and take a look.

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